n.

the subject matter of a conversation or discussion

"he didn't want to discuss that subject"

同義詞：topictheme

some situation or event that is thought about

"he had been thinking about the subject for several years"

同義詞：topicissuematter

a branch of knowledge

"teachers should be well trained in their subject"

同義詞：disciplinesubject areasubject fieldfieldfield of studystudybailiwickbranch of knowledge

something (a person or object or scene) selected by an artist or photographer for graphic representation

"a moving picture of a train is more dramatic than a still picture of the same subject"

同義詞：contentdepicted object

a person who is subjected to experimental or other observational procedures; someone who is an object of investigation

"the subjects for this investigation were selected randomly"

同義詞：caseguinea pig

a person who owes allegiance to that nation

"a monarch has a duty to his subjects"

同義詞：national

(grammar) one of the two main constituents of a sentence; the grammatical constituent about which something is predicated

(logic) the first term of a proposition

For subjecting the patient's prostate to treatment
Electrical energy generating method for airplane, involves subjecting solar modules to solar radiations treading through window pane...
Method for monitoring flooding of wall surfaces by liquid jets during cleaning processes comprises subjecting the cleaning fluid hit...
Factors subjecting variability of Young's modulus of cohesive soils
A technique for localizing infestations of the cattle tick Boophilus microplus (Can.) on small areas of the host, and subjecting eac...
Subjecting and Objecting By Max DeutscherOxford: Basil Blackwell Publisher, 1983, 281 pp., £17.50
Novel approach to nonlinear/non-Gaussian Bayesian state estimation
Unsupervised texture segmentation using Gabor filters ☆
Principle of equal-channel angular pressing for the processing of ultra-fine grained materials
The construction of reality in the child